Re: Bethungra loop question

[mauried@commslab.gov.au (Maurie Daly)]

In article <35511580.655963@news.mpx.com.au> jdennis@acslink.net.au (John Dennis) writes:
>From: jdennis@acslink.net.au (John Dennis)
>Subject: Re: Bethungra loop question
>Date: Thu, 07 May 1998 02:26:46 GMT

>On 07 May 1998 00:24:09 GMT, markbau1@aol.com (MarkBau1) wrote:

>>I'm in the midst of labeling some scans and have a photo taken before the 2
>>tracks split. 
>>My question is which track, NB or SB, was the one that went around the loop?
>>
>The northbound track is the one which includes the loop.  The
>southbound drops down a steepish grade, but is only used for downhill
>trains.

>Cheers...JD
>==========================================================
>John Dennis                         jdennis@acslink.net.au
>Melbourne                                  denjo02@cai.com
>Australia               http://www.acslink.net.au/~jdennis
>                Dutton Bay Tramway pages updated 1 January
>DBT URL:       http://www.acslink.net.au/~jdennis/dbt.html


The ruling grade for up trains is 1:66 curve compensated , whilst the down 
line is 1:40 .
The spiral and the Frampton deviation were built primarily to reduce the 
ruling grade for up trains to no worse than 1:66 all the way to Sydney.
Its a shame that no such vision applied south of Junee.

MD